package com.hainatong.mvvmbase.http.interceptor;

import com.google.gson.Gson;
import com.google.gson.TypeAdapter;
import com.google.gson.reflect.TypeToken;
import okhttp3.RequestBody;
import okhttp3.ResponseBody;
import retrofit2.Converter;
import retrofit2.Retrofit;

import java.lang.annotation.Annotation;
import java.lang.reflect.Type;

public class CustomGsonConverterFactory extends Converter.Factory
{


    public static CustomGsonConverterFactory create()
    {
        return create(new Gson());
    }


    @SuppressWarnings("ConstantConditions")
    public static CustomGsonConverterFactory create(Gson gson)
    {
        if (gson == null) throw new NullPointerException("gson == null");
        return new CustomGsonConverterFactory(gson);
    }

    private final Gson gson;

    private CustomGsonConverterFactory(Gson gson)
    {
        this.gson = gson;
    }

    @Override
    public Converter<ResponseBody, ?> responseBodyConverter(Type type, Annotation[] annotations,
                                                            Retrofit retrofit)
    {
        TypeAdapter<?> adapter = gson.getAdapter(TypeToken.get(type));
        return new CustomGsonResponseBodyConverter<>(gson, adapter);
    }

    @Override
    public Converter<?, RequestBody> requestBodyConverter(Type type,
                                                          Annotation[] parameterAnnotations, Annotation[] methodAnnotations, Retrofit retrofit)
    {
        TypeAdapter<?> adapter = gson.getAdapter(TypeToken.get(type));
        return new CustomGsonRequestBodyConverter<>(gson, adapter);
    }
}
